Home / 61,926.80-92,836.20-42,141.20

Finding the Fourth Proportional to 61,926.80, 92,836.20 and 42,141.20

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Solution

The fourth proportional to 61,926.80, 92,836.20 and 42,141.20 is: 63,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,926.80 : 92,836.20 = 42,141.20 : x
  2. Step 2: Convert to fraction form
    61,926.80/92,836.20 = 42,141.20/x
  3. Step 3: Cross multiply
    61,926.80x = 92,836.20 × 42,141.20
  4. Step 4: Simplify right side
    61,926.80x = 3,912,228,871.44
  5. Step 5: Solve for x
    x = 3,912,228,871.44/61,926.80
  6. Step 6: Final answer
    x = 63,175.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.